Flask lid



FIG. 1 is an upper, front, and left side perspective view of a flask lid showing our new design, showing a drinking portion of the flask lid in a closed position, and in a condition of use with a flask;

FIG. 2 is a top view thereof, with the exemplary flask removed for clarity of details;

FIG. 3 is a bottom view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a front view thereof;

FIG. 7 is a back view thereof;

FIG. 8 is an upper, front, and left side perspective view of the flask lid thereof, showing the drinking portion of the flask lid in an open position, and in a condition of use with a straw;

FIG. 9 is a top view thereof;

FIG. 10 is a bottom view thereof, with the exemplary straw removed for clarity of details;

FIG. 11 is a left side view thereof;

FIG. 12 is a right side view thereof;

FIG. 13 is a front view thereof; and,

FIG. 14 is a back view thereof.

The broken lines are shown for the purpose of illustrating environmental subject matter and parts of the article that form no part of the claim. 

CLAIM The ornamental design for a flask lid, as shown and described. 